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1428572 = 221918797
BaseRepresentation
bin101011100110001011100
32200120122002
411130301130
5331203242
650341432
715066635
oct5346134
92616562
101428572
11896342
1258a878
133b0312
1429288c
151d3432
hex15cc5c

1428572 has 12 divisors (see below), whose sum is σ = 2631720. Its totient is φ = 676656.

The previous prime is 1428571. The next prime is 1428587. The reversal of 1428572 is 2758241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9323 + ... + 9474.

It is an arithmetic number, because the mean of its divisors is an integer number (219310).

21428572 is an apocalyptic number.

It is an amenable number.

1428572 is a deficient number, since it is larger than the sum of its proper divisors (1203148).

1428572 is a wasteful number, since it uses less digits than its factorization.

1428572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18820 (or 18818 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 1428572 is about 1195.2288483801. The cubic root of 1428572 is about 112.6248030610.

The spelling of 1428572 in words is "one million, four hundred twenty-eight thousand, five hundred seventy-two".

Divisors: 1 2 4 19 38 76 18797 37594 75188 357143 714286 1428572